Home / 15,489.46-23,221.13-6,717.77

Finding the Fourth Proportional to 15,489.46, 23,221.13 and 6,717.77

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Solution

The fourth proportional to 15,489.46, 23,221.13 and 6,717.77 is: 10,070.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.46 : 23,221.13 = 6,717.77 : x
  2. Step 2: Convert to fraction form
    15,489.46/23,221.13 = 6,717.77/x
  3. Step 3: Cross multiply
    15,489.46x = 23,221.13 × 6,717.77
  4. Step 4: Simplify right side
    15,489.46x = 155,994,210.48
  5. Step 5: Solve for x
    x = 155,994,210.48/15,489.46
  6. Step 6: Final answer
    x = 10,070.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.